* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --keen-teal: #1bbf9e;
    --keen-teal-hover: #17a689;
    --light-gray: #f5f5f5;
    --dark-text: #333333;
    --card-shadow: rgba(0, 0, 0, 0.1);
}

html, body {
    margin: 0;
    padding: 0;
    min-height: 0;
    height: auto;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--light-gray);
    color: var(--dark-text);
    line-height: 1.6;
    overflow-x: hidden;
}

.view {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.4s ease-in-out, visibility 0.4s ease-in-out;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
}

.view.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    position: relative;
    display: flex;
}

header {
    background-color: white;
    padding: 2rem 1rem;
    text-align: center;
    box-shadow: 0 2px 8px var(--card-shadow);
}

header.compact-header {
    padding: 0.75rem 1rem;
    background: transparent;
    box-shadow: none;
}

header.compact-header .hub-title {
    font-size: 1.6rem;
    color: var(--dark-text);
    font-weight: 600;
    margin: 0;
}

/* ── KEEN top navbar ─────────────────────────────────────────────────────── */
header.keen-navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    height: 64px;
    background: #ffffff;
    border-bottom: 1px solid #e8e8e8;
    box-shadow: 0 1px 4px rgba(0,0,0,0.06);
    margin-bottom: 0;
}

.keen-navbar__logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    flex-shrink: 0;
}

.keen-navbar__logo {
    height: 36px;
    width: auto;
}

.keen-navbar__links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.keen-navbar__link {
    font-size: 0.875rem;
    font-weight: 500;
    color: #333;
    text-decoration: none;
    white-space: nowrap;
    letter-spacing: 0.01em;
    transition: color 0.15s ease;
}

.keen-navbar__link:hover {
    color: var(--keen-teal, #1bbf9e);
}

#homepage header.keen-navbar {
    margin-bottom: 1.5rem;
}

#glossary-view header {
    margin-bottom: 0;
}

.logo {
    max-width: 250px;
    height: auto;
    margin-bottom: 1rem;
}

h1 {
    color: var(--dark-text);
    font-size: 1.8rem;
    font-weight: 600;
}

.card-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: min-content;
    gap: 1rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem;
    align-items: start;
}

.card {
    background: white;
    border-radius: 8px;
    padding: 1.5rem 1rem 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 6px var(--card-shadow);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    min-height: auto;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--keen-teal);
    transition: height 0.3s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 20px rgba(27, 191, 158, 0.25);
}

.card:hover::before {
    height: 6px;
}

.card-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #1bbf9e 0%, #159c82 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.35rem;
    margin-bottom: 0.75rem;
    box-shadow: 0 2px 8px rgba(27, 191, 158, 0.3);
}

.card-icon i {
    color: white;
}

.card-content {
    width: 100%;
}

.card h2 {
    color: var(--keen-teal);
    font-size: 0.95rem;
    margin-bottom: 0.4rem;
    font-weight: 600;
    line-height: 1.3;
}

.card p {
    color: #666;
    font-size: 0.8rem;
    margin: 0 0 0.75rem 0;
    line-height: 1.4;
}

.card-arrow {
    color: var(--keen-teal);
    font-size: 1rem;
    transition: transform 0.3s ease;
    opacity: 0.5;
}

.card:hover .card-arrow {
    transform: translateY(3px);
    opacity: 1;
}

.card.system-builder-card {
    border: 3px solid transparent;
    background:
        linear-gradient(white, white) padding-box,
        linear-gradient(to right, #1d6fa8, #1bbf9e) border-box;
    box-shadow: 0 2px 8px rgba(29, 111, 168, 0.18);
}

.card.system-builder-card::before {
    background: linear-gradient(to right, #1d6fa8, #1bbf9e);
}

.card.system-builder-card:hover {
    box-shadow: 0 6px 22px rgba(29, 111, 168, 0.28);
}

.card.coming-soon {
    opacity: 0.7;
    cursor: default;
}

.card.coming-soon:hover {
    transform: none;
    box-shadow: 0 2px 8px var(--card-shadow);
}

.card.coming-soon .card-arrow {
    opacity: 0.5;
}

.coming-soon-badge {
    display: inline-block;
    background: #ffa500;
    color: white;
    font-size: 0.7rem;
    padding: 0.25rem 0.6rem;
    border-radius: 12px;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.back-nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 2rem 1rem;
}

#glossary-view {
    padding-top: 0;
}

.back-button {
    background: var(--keen-teal);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.back-button:hover {
    background: var(--keen-teal-hover);
    transform: translateX(-4px);
}

.glossary-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.glossary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.glossary-item {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px var(--card-shadow);
    transition: all 0.3s ease;
}

.glossary-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 16px rgba(27, 191, 158, 0.2);
}

.glossary-item h3 {
    color: var(--keen-teal);
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.glossary-item .category {
    display: inline-block;
    background: var(--light-gray);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
    color: var(--dark-text);
}

.glossary-item p {
    color: #666;
    line-height: 1.6;
}

.glossary-item img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    margin-top: 1rem;
}

.glossary-item.clickable {
    cursor: pointer;
    border: 2px solid transparent;
}

.glossary-item.clickable:hover {
    border-color: var(--keen-teal);
    transform: translateY(-6px);
}

.glossary-item .model-info,
.glossary-item .size-info,
.glossary-item .btu-info {
    font-size: 0.9rem;
    color: #555;
    margin-bottom: 0.5rem;
}

.glossary-item .learn-more {
    color: var(--keen-teal);
    font-weight: 600;
    margin-top: 1rem;
    font-size: 0.95rem;
}

@media (max-width: 992px) {
    .card-container {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.875rem;
        padding: 1.25rem;
    }
}

@media (max-width: 768px) {
    .card-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
        padding: 1rem;
    }

    h1 {
        font-size: 1.5rem;
    }

    .card {
        padding: 1rem 0.875rem;
        min-height: 140px;
    }

    .card h2 {
        font-size: 0.95rem;
    }
    
    .card p {
        font-size: 0.8rem;
    }

    .logo {
        max-width: 200px;
    }

    .glossary-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    header {
        padding: 1.5rem 1rem;
    }

    .card-container {
        padding: 0.75rem;
    }

    .glossary-content {
        padding: 1rem;
    }
}

/* Tool View Styles */
.tool-content {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
}

.tool-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 12px var(--card-shadow);
}

.tool-description {
    color: #666;
    margin-bottom: 2rem;
    text-align: center;
    font-size: 1.05rem;
}

.input-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

@media (min-width: 600px) {
    .input-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.input-group {
    display: flex;
    flex-direction: column;
}

.input-group label {
    font-weight: 600;
    color: var(--dark-text);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.input-group input,
.input-group select {
    padding: 0.75rem;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.input-group input:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--keen-teal);
}

.calc-button {
    width: 100%;
    background: var(--keen-teal);
    color: white;
    border: none;
    padding: 1rem;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 1.5rem;
}

.calc-button:hover {
    background: var(--keen-teal-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(27, 191, 158, 0.3);
}

.edit-slide-btn {
    background: transparent;
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 6px 10px;
    cursor: pointer;
    color: #666;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.edit-slide-btn:hover {
    background: var(--keen-teal);
    color: white;
    border-color: var(--keen-teal);
}

.slide-option {
    transition: background 0.2s ease;
}

.slide-option:hover {
    background: #f0f0f0 !important;
}

.results-section {
    background: var(--light-gray);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.results-section h3 {
    color: var(--keen-teal);
    margin-bottom: 1rem;
    font-size: 1.3rem;
    text-align: center;
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid #ddd;
}

.result-item:last-child {
    border-bottom: none;
}

.result-item span {
    color: #666;
    font-size: 0.95rem;
}

.result-item strong {
    color: var(--dark-text);
    font-size: 1.1rem;
}

.pdf-button {
    width: 100%;
    background: #4A90E2;
    color: white;
    border: none;
    padding: 1rem;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pdf-button:hover {
    background: #357ABD;
    transform: translateY(-2px);
}

.tip-box {
    background: #FFF3CD;
    border-left: 4px solid #FFC107;
    padding: 1rem;
    margin-top: 1rem;
    border-radius: 4px;
    color: #856404;
    font-size: 0.9rem;
    line-height: 1.5;
}

.gauge-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.gauge-bar {
    width: 100%;
    height: 24px;
    background: #e0e0e0;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
}

.gauge-fill {
    height: 100%;
    transition: width 0.5s ease, background-color 0.3s ease;
    border-radius: 12px;
}

@media (max-width: 600px) {
    .tool-content {
        padding: 1rem;
    }
    
    .tool-card {
        padding: 1.5rem;
    }
    
    .input-grid {
        grid-template-columns: 1fr;
    }
}

.gauge {
    background: white;
    border: 2px solid var(--light-gray);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
    display: inline-block;
    min-width: 150px;
}

.gauge:hover {
    border-color: var(--keen-teal);
    box-shadow: 0 4px 12px rgba(27, 191, 158, 0.15);
}

.gauge-label {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.gauge-value {
    font-size: 2rem;
    font-weight: bold;
    color: var(--keen-teal);
    margin: 0.5rem 0;
}

.gauge-status {
    font-size: 1rem;
    font-weight: 600;
    margin-top: 0.5rem;
}

.result-item.highlight {
    background: #f0f9ff;
    border-left: 4px solid var(--keen-teal);
    padding: 0.75rem 1rem;
    margin: 0.5rem 0;
}

@media print {
    header {
        padding: 1rem 0.5rem;
        margin-bottom: 0.5rem;
    }
    
    .logo {
        max-width: 180px;
        margin-bottom: 0.5rem;
    }
    
    h1 {
        font-size: 1.4rem;
        margin-bottom: 0.5rem;
    }
    
    .back-nav {
        display: none;
    }
    
    .tool-content {
        padding: 0.8rem;
    }
    
    .tool-card {
        padding: 1.2rem;
        margin-bottom: 0;
    }
    
    .tool-description {
        font-size: 0.85rem;
        margin-bottom: 0.8rem;
        line-height: 1.3;
    }
    
    .input-grid {
        gap: 0.6rem;
        margin-bottom: 0.8rem;
    }
    
    .input-group {
        margin-bottom: 0.4rem;
    }
    
    .input-group label {
        font-size: 0.85rem;
        margin-bottom: 0.2rem;
    }
    
    .input-group input,
    .input-group select {
        padding: 0.4rem;
        font-size: 0.9rem;
    }
    
    .input-group small {
        font-size: 0.7rem;
        margin-top: 0.2rem;
    }
    
    .calc-button {
        display: none;
    }
    
    .pdf-button {
        display: none;
    }
    
    .results-section {
        margin-top: 0.8rem;
        padding: 0.8rem;
    }
    
    .results-section h3 {
        font-size: 1.1rem;
        margin-bottom: 0.6rem;
    }
    
    .result-item {
        padding: 0.4rem 0;
        margin: 0.3rem 0;
        font-size: 0.9rem;
    }
    
    .result-item.highlight {
        padding: 0.5rem 0.8rem;
        margin: 0.3rem 0;
    }
    
    .tip-box {
        padding: 0.6rem;
        margin-top: 0.6rem;
        font-size: 0.8rem;
        line-height: 1.4;
    }
    
    .gauge {
        padding: 0.8rem;
        margin: 0.4rem;
        min-width: 120px;
    }
    
    .gauge-label {
        font-size: 0.75rem;
        margin-bottom: 0.3rem;
    }
    
    .gauge-value {
        font-size: 1.5rem;
        margin: 0.3rem 0;
    }
    
    .gauge-status {
        font-size: 0.85rem;
        margin-top: 0.3rem;
    }
    
    table {
        font-size: 0.85rem;
        margin: 0.8rem 0;
    }
    
    table th,
    table td {
        padding: 0.5rem !important;
    }
    
    ul {
        margin: 0.4rem 0;
        padding-left: 1.2rem;
    }
    
    ul li {
        margin: 0.2rem 0;
        font-size: 0.8rem;
        line-height: 1.3;
    }
    
    body {
        line-height: 1.4;
    }
}

/* Airflow Tools Tab Navigation */
.airflow-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 20px 0;
    flex-wrap: wrap;
    padding: 0 1rem;
}

.airflow-tab-btn {
    padding: 12px 20px;
    background: white;
    border: 2px solid #ddd;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--dark-text);
    transition: all 0.3s ease;
}

.airflow-tab-btn:hover {
    border-color: var(--keen-teal);
    color: var(--keen-teal);
}

.airflow-tab-btn.active {
    background: var(--keen-teal);
    color: white;
    border-color: var(--keen-teal);
}

.airflow-subtool {
    display: none;
}

.airflow-subtool.active {
    display: block;
}

.refrigerant-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 20px 0;
    flex-wrap: wrap;
    padding: 0 1rem;
}

.refrigerant-tab-btn {
    padding: 12px 20px;
    background: white;
    border: 2px solid #ddd;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--dark-text);
    transition: all 0.3s ease;
}

.refrigerant-tab-btn:hover {
    border-color: var(--keen-teal);
    color: var(--keen-teal);
}

.refrigerant-tab-btn.active {
    background: var(--keen-teal);
    color: white;
    border-color: var(--keen-teal);
}

.refrigerant-subtool {
    display: none;
}

.refrigerant-subtool.active {
    display: block;
}

.electrical-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 20px 0;
    flex-wrap: wrap;
    padding: 0 1rem;
}

.electrical-tab-btn {
    padding: 12px 20px;
    background: white;
    border: 2px solid #ddd;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--dark-text);
    transition: all 0.3s ease;
}

.electrical-tab-btn:hover {
    border-color: var(--keen-teal);
    color: var(--keen-teal);
}

.electrical-tab-btn.active {
    background: var(--keen-teal);
    color: white;
    border-color: var(--keen-teal);
}

.electrical-subtool {
    display: none;
}

.electrical-subtool.active {
    display: block;
}

.sales-tab-btn {
    padding: 12px 20px;
    background: white;
    border: 2px solid #ddd;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--dark-text);
    transition: all 0.3s ease;
}

.sales-tab-btn:hover {
    border-color: var(--keen-teal);
    color: var(--keen-teal);
}

.sales-tab-btn.active {
    background: var(--keen-teal);
    color: white;
    border-color: var(--keen-teal);
}

.sales-subtool {
    display: none;
}

.sales-subtool.active {
    display: block;
}

.business-tab-btn {
    padding: 12px 20px;
    background: white;
    border: 2px solid #ddd;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--dark-text);
    transition: all 0.3s ease;
}

.business-tab-btn:hover {
    border-color: var(--keen-teal);
    color: var(--keen-teal);
}

.business-tab-btn.active {
    background: var(--keen-teal);
    color: white;
    border-color: var(--keen-teal);
}

.business-subtool {
    display: none;
}

.business-subtool.active {
    display: block;
}

.commercial-tab-btn {
    padding: 12px 20px;
    background: white;
    border: 2px solid #ddd;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--dark-text);
    transition: all 0.3s ease;
}

.commercial-tab-btn:hover {
    border-color: var(--keen-teal);
    color: var(--keen-teal);
}

.commercial-tab-btn.active {
    background: var(--keen-teal);
    color: white;
    border-color: var(--keen-teal);
}

.commercial-subtool {
    display: none;
}

.commercial-subtool.active {
    display: block;
}

.marketing-tab-btn {
    padding: 12px 20px;
    background: white;
    border: 2px solid #ddd;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--dark-text);
    transition: all 0.3s ease;
}

.marketing-tab-btn:hover {
    border-color: var(--keen-teal);
    color: var(--keen-teal);
}

.marketing-tab-btn.active {
    background: var(--keen-teal);
    color: white;
    border-color: var(--keen-teal);
}

.marketing-subtool {
    display: none;
}

.marketing-subtool.active {
    display: block;
}

.roi-subtab-btn {
    padding: 10px 18px;
    background: white;
    border: 2px solid #ddd;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--dark-text);
    transition: all 0.3s ease;
}

.roi-subtab-btn:hover {
    border-color: var(--keen-teal);
    color: var(--keen-teal);
}

.roi-subtab-btn.active {
    background: var(--keen-teal);
    color: white;
    border-color: var(--keen-teal);
}

.result-card {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.result-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.result-card.highlight {
    background: linear-gradient(135deg, #e8f8f5 0%, #d0f0e8 100%);
    border: 2px solid var(--keen-teal);
}

.result-card.success {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    border: 2px solid #10b981;
}

.result-label {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.result-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark-text);
}

.result-card.success .result-value {
    color: #10b981;
}

.result-card.highlight .result-value {
    color: var(--keen-teal);
}

.combined-tab-btn {
    padding: 10px 18px;
    background: white;
    border: 2px solid #ddd;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--dark-text);
    transition: all 0.3s ease;
}

.combined-tab-btn:hover {
    border-color: var(--keen-teal);
    color: var(--keen-teal);
}

.combined-tab-btn.active {
    background: var(--keen-teal);
    color: white;
    border-color: var(--keen-teal);
}

.combined-tab-content {
    display: none;
}

.combined-tab-content.active {
    display: block;
}

.conductor-table {
    margin: 1rem 0;
    border: 1px solid #ddd;
    border-radius: 8px;
    overflow: hidden;
}

.conductor-table th {
    font-weight: 600;
}

.conductor-table select,
.conductor-table input {
    border: 1px solid #ddd;
    border-radius: 4px;
}

.conductor-table select:focus,
.conductor-table input:focus {
    outline: none;
    border-color: var(--keen-teal);
}

.conductor-table select[data-field="purpose"],
.conductor-table select[data-field="material"],
.conductor-table select[data-field="size"],
.conductor-table select[data-field="insulation"],
.conductor-table select[data-field="temp-rating"] {
    min-width: 120px;
    width: 100%;
}

.conductor-table input[data-field="quantity"] {
    width: 60px;
    max-width: 60px;
}

.info-tooltip {
    display: inline-block;
    position: relative;
    font-size: 0.95rem;
    color: var(--keen-teal);
    cursor: help;
    margin-left: 5px;
    font-weight: bold;
}

.info-tooltip:hover {
    color: #159179;
}

.info-tooltip::after {
    content: attr(data-tip);
    position: absolute;
    left: 50%;
    bottom: 125%;
    transform: translateX(-50%);
    background: #333;
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: normal;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.info-tooltip::before {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 115%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: #333;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
    z-index: 1000;
}

.info-tooltip:hover::after,
.info-tooltip:hover::before {
    opacity: 1;
}

@media (max-width: 768px) {
    .info-tooltip::after {
        white-space: normal;
        max-width: 200px;
        width: max-content;
    }
}

#conduit-visualization {
    max-width: min(500px, 90vw);
}

.conductor-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 15px;
    padding: 15px;
    background: white;
    border-radius: 6px;
    border: 1px solid #e0e0e0;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.legend-color-box {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid #333;
}

.legend-label {
    font-size: 0.9rem;
    color: #333;
}

@media (max-width: 360px) {
    #conduit-svg-container {
        min-height: 300px !important;
    }
}

.reference-section {
    margin-bottom: 1.5rem;
}

.reference-section h4 {
    cursor: pointer;
    user-select: none;
}

.reference-section h4:hover {
    background: #e8f5f2 !important;
}

@media print {
    .airflow-tabs,
    .airflow-tab-btn,
    .refrigerant-tabs,
    .refrigerant-tab-btn,
    .electrical-tabs,
    .electrical-tab-btn,
    .combined-tab-btn,
    .combined-tabs,
    .sales-tabs,
    .sales-tab-btn,
    .site-footer {
        display: none !important;
    }
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: 0.3s;
    border-radius: 24px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
}

.toggle-switch input:checked + .toggle-slider {
    background-color: #4CAF50;
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(26px);
}

/* Custom KEEN Alert Modal */
.keen-alert-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 10000;
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.2s ease-in-out;
}

.keen-alert-overlay.show {
    display: flex;
}

.keen-alert-modal {
    background: white;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    max-width: 500px;
    width: 90%;
    padding: 0;
    animation: slideIn 0.3s ease-out;
}

.keen-alert-header {
    background: var(--keen-teal);
    color: white;
    padding: 16px 20px;
    border-radius: 12px 12px 0 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.keen-alert-icon {
    font-size: 24px;
}

.keen-alert-title {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 1px;
}

.keen-alert-message {
    padding: 24px 20px;
    color: var(--dark-text);
    font-size: 16px;
    line-height: 1.6;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.keen-alert-button {
    background: var(--keen-teal);
    color: white;
    border: none;
    padding: 12px 40px;
    margin: 0 20px 20px 20px;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    width: calc(100% - 40px);
    transition: background-color 0.2s ease;
}

.keen-alert-button:hover {
    background: var(--keen-teal-hover);
}

.keen-alert-button:active {
    transform: scale(0.98);
}

.keen-confirm-cancel {
    background: #6c757d;
    color: white;
    border: none;
    padding: 12px 40px;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    flex: 1;
    transition: background-color 0.2s ease;
}

.keen-confirm-cancel:hover {
    background: #5a6268;
}

.keen-confirm-cancel:active {
    transform: scale(0.98);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    from {
        transform: translateY(-30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Site Footer - Full Width Horizontal */
.site-footer {
    width: 100%;
    background: #f8f9fa;
    border-top: 1px solid #e0e0e0;
    padding: 15px 30px;
    margin-top: 20px;
    box-sizing: border-box;
}

.site-footer .footer-content {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    font-size: 0.85em;
    color: #666;
}

.site-footer .footer-divider {
    color: #ccc;
}

.site-footer a {
    color: var(--keen-teal);
    text-decoration: none;
}

.site-footer a:hover {
    text-decoration: underline;
}

@media (max-width: 480px) {
    .site-footer .footer-content {
        flex-direction: column;
        gap: 8px;
    }
    
    .site-footer .footer-divider {
        display: none;
    }
}

/* ========================================
   KEEN SOLAR TOOLS STYLES
   ======================================== */

/* Google Places Autocomplete Styling */
#solar-autocomplete-container {
    margin-bottom: 10px;
}

#solar-autocomplete-container gmp-place-autocomplete {
    width: 100%;
    --gmpx-color-surface: #ffffff;
    --gmpx-color-on-surface: #333333;
    --gmpx-color-primary: #1bbf9e;
}

#solar-autocomplete-container gmp-place-autocomplete::part(input) {
    padding: 12px;
    font-size: 1rem;
    border: 1px solid #ddd;
    border-radius: 6px;
    background: #ffffff;
}

/* Solar Tab Navigation */
.solar-tab-btn {
    padding: 12px 24px;
    border: 2px solid var(--keen-teal);
    background: white;
    color: var(--keen-teal);
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
}

.solar-tab-btn:hover {
    background: rgba(27, 191, 158, 0.1);
}

.solar-tab-btn.active {
    background: var(--keen-teal);
    color: white;
}

.solar-subtool {
    display: none;
}

.solar-subtool.active {
    display: block;
}

.solar-tool-container {
    padding: 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.solar-main-layout {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 20px;
}

.solar-config-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.solar-config-card {
    min-height: auto;
}

.solar-planes-card {
    max-height: 280px;
    overflow-y: auto;
}

.solar-config-card .solar-planes-list {
    max-height: none;
    overflow-y: visible;
}

.solar-plane-item {
    background: #f8f9fa;
    border-radius: 6px;
    padding: 10px;
    margin-bottom: 8px;
    border: 1px solid #e0e0e0;
    cursor: pointer;
    transition: all 0.2s;
}

.solar-plane-item.selected {
    border-color: var(--keen-teal);
    background: #e8f5f2;
}

.solar-plane-item:hover {
    border-color: var(--keen-teal);
}

.solar-plane-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.solar-plane-name {
    font-weight: 600;
    font-size: 0.9rem;
}

.solar-plane-stats {
    display: flex;
    gap: 12px;
    font-size: 0.8rem;
    margin-bottom: 6px;
}

.solar-plane-stat {
    display: flex;
    gap: 4px;
}

.solar-plane-stat span:first-child {
    color: #666;
}

.solar-plane-inputs {
    display: flex;
    gap: 10px;
    margin-bottom: 6px;
}

.solar-plane-inputs .input-group.compact {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
}

.solar-plane-inputs .input-group.compact label {
    font-size: 0.75rem;
    margin-bottom: 0;
    white-space: nowrap;
}

.solar-plane-inputs .input-group.compact input {
    width: 50px;
    padding: 4px 6px;
    font-size: 0.8rem;
}

.solar-orientation-btns {
    display: flex;
    gap: 6px;
    margin-top: 4px;
}

.solar-orient-btn {
    flex: 1;
    padding: 5px 8px;
    border: 1px solid #ddd;
    background: #fff;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.75rem;
    transition: all 0.2s;
}

.solar-orient-btn:hover {
    border-color: var(--keen-teal);
}

.solar-orient-btn.active {
    background: var(--keen-teal);
    color: #fff;
    border-color: var(--keen-teal);
}

.solar-plane-action-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px 6px;
    color: #999;
    transition: color 0.2s;
}

.solar-plane-action-btn:hover {
    color: #dc3545;
}

.solar-tool-btn.active {
    background: var(--keen-teal);
    color: #fff;
}

.solar-chart-section {
    width: 100%;
}

.solar-chart-section canvas {
    width: 100% !important;
    height: 250px !important;
}

.solar-map-section-full {
    width: 100%;
}

.solar-formula-bar {
    width: 100%;
}

.solar-formula-content {
    margin-top: 15px;
}

.solar-formula-equation {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px;
    background: linear-gradient(135deg, #f8f9fa, #e8f5f2);
    border-radius: 8px;
}

.formula-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 8px 12px;
    background: #fff;
    border-radius: 6px;
    border: 1px solid #e0e0e0;
    position: relative;
}

.formula-label {
    font-size: 0.75rem;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.formula-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--keen-teal);
}

.formula-operator, .formula-equals {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--keen-teal);
}

.edu-bubble {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    cursor: pointer;
    margin-left: 6px;
    font-size: 0.7rem;
    font-weight: 700;
    transition: transform 0.2s, box-shadow 0.2s;
    vertical-align: middle;
}

.edu-bubble:hover {
    transform: scale(1.15);
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.edu-bubble.blue {
    background: #3498db;
    color: #fff;
}

.edu-bubble.green {
    background: #27ae60;
    color: #fff;
}

.edu-bubble.small {
    width: 16px;
    height: 16px;
    font-size: 0.6rem;
    margin-left: 4px;
}

.edu-bubble span {
    line-height: 1;
}

.keen-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.keen-modal {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow: hidden;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { 
        opacity: 0;
        transform: translateY(20px);
    }
    to { 
        opacity: 1;
        transform: translateY(0);
    }
}

.keen-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    color: #fff;
}

.keen-modal-header h3 {
    margin: 0;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
}

.keen-modal-close {
    background: none;
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.keen-modal-close:hover {
    opacity: 1;
}

.keen-modal-body {
    padding: 20px;
    overflow-y: auto;
    max-height: 50vh;
}

.keen-modal-footer {
    padding: 16px 20px;
    background: #f8f9fa;
    display: flex;
    justify-content: flex-end;
    border-top: 1px solid #e0e0e0;
}

/* New Full-Width Solar Layout */
.solar-app-container {
    display: flex;
    height: calc(100vh - 180px);
    min-height: 600px;
    gap: 0;
    background: #f5f5f5;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

/* Configuration Section Below Map */
.solar-config-section {
    padding: 20px;
    background: #fff;
    border-radius: 12px;
    margin: 15px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

.solar-config-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.solar-config-card {
    background: #fafafa;
    border-radius: 10px;
    border: 1px solid #e8e8e8;
    overflow: hidden;
}

.solar-config-card.wide {
    grid-column: 1 / -1;
}

.solar-config-card.actions {
    display: flex;
    flex-direction: column;
}

.solar-config-header {
    padding: 12px 16px;
    background: #f0f0f0;
    border-bottom: 1px solid #e0e0e0;
}

.solar-config-header h4 {
    margin: 0;
    font-size: 0.9rem;
    color: var(--keen-teal);
    display: flex;
    align-items: center;
    gap: 8px;
}

.solar-config-header h4 i {
    width: 18px;
}

.solar-config-content {
    padding: 15px;
}

.solar-config-row {
    margin-bottom: 12px;
}

.solar-config-row label {
    display: block;
    font-size: 0.75rem;
    color: #666;
    margin-bottom: 4px;
}

.solar-config-row select,
.solar-config-row input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 0.85rem;
}

.solar-config-btn {
    width: 100%;
    padding: 10px 15px;
    border: none;
    border-radius: 6px;
    background: var(--keen-teal);
    color: white;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s;
}

.solar-config-btn:hover:not(:disabled) {
    filter: brightness(1.1);
}

.solar-config-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.solar-config-card.actions .solar-config-content {
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
    justify-content: center;
}

/* Roof Planes List in Config */
.solar-planes-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 12px;
    max-height: 300px;
    overflow-y: auto;
}

.solar-plane-card {
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 12px;
    position: relative;
}

.solar-plane-card.selected {
    border-color: var(--keen-teal);
    box-shadow: 0 0 0 2px rgba(27, 191, 158, 0.2);
}

.solar-plane-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.solar-plane-name {
    font-weight: 600;
    color: var(--keen-teal);
    font-size: 0.9rem;
}

.solar-plane-delete {
    background: none;
    border: none;
    color: #dc3545;
    cursor: pointer;
    padding: 4px;
    font-size: 0.8rem;
}

.solar-plane-delete:hover {
    color: #a71d2a;
}

.solar-plane-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 10px;
}

.solar-plane-field {
    display: flex;
    flex-direction: column;
}

.solar-plane-field label {
    font-size: 0.7rem;
    color: #666;
    margin-bottom: 2px;
}

.solar-plane-field input {
    padding: 5px 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 0.8rem;
    width: 100%;
}

.solar-plane-orientation {
    display: flex;
    gap: 4px;
    margin-bottom: 10px;
}

.solar-orientation-btn {
    flex: 1;
    padding: 5px 8px;
    border: 1px solid #ddd;
    background: #fff;
    border-radius: 4px;
    font-size: 0.7rem;
    cursor: pointer;
    transition: all 0.2s;
}

.solar-orientation-btn:hover {
    background: #f0f0f0;
}

.solar-orientation-btn.active {
    background: var(--keen-teal);
    color: white;
    border-color: var(--keen-teal);
}

/* Setback Controls in Plane Card */
.solar-plane-setback {
    border-top: 1px solid #eee;
    padding-top: 10px;
    margin-top: 8px;
}

.solar-setback-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    cursor: pointer;
}

.solar-setback-toggle input {
    width: 16px;
    height: 16px;
}

.solar-setback-options {
    display: none;
    margin-top: 8px;
    padding: 8px;
    background: #f8f8f8;
    border-radius: 6px;
}

.solar-setback-options.visible {
    display: block;
}

.solar-setback-width {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    margin-bottom: 8px;
}

.solar-setback-width input {
    width: 60px;
    padding: 4px 6px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.solar-setback-sides {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
}

.solar-setback-side-btn {
    padding: 6px 4px;
    border: 1px dashed #999;
    background: #fff;
    border-radius: 4px;
    font-size: 0.65rem;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s;
}

.solar-setback-side-btn:hover {
    border-color: #FF6B00;
    background: #fff5f0;
}

.solar-setback-side-btn.active {
    background: #FF6B00;
    color: white;
    border-color: #FF6B00;
    border-style: solid;
}

.solar-plane-stats {
    font-size: 0.75rem;
    color: #666;
    display: flex;
    justify-content: space-between;
}

@media (max-width: 900px) {
    .solar-config-grid {
        grid-template-columns: 1fr;
    }
    
    .solar-planes-list {
        grid-template-columns: 1fr;
    }
}

.solar-sidebar-section {
    border-bottom: 1px solid #e8e8e8;
}

.solar-sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    cursor: pointer;
    background: #fafafa;
    transition: background 0.2s;
}

.solar-sidebar-header:hover {
    background: #f0f0f0;
}

.solar-sidebar-header h4 {
    margin: 0;
    font-size: 0.9rem;
    color: var(--keen-teal);
    display: flex;
    align-items: center;
    gap: 8px;
}

.solar-sidebar-header h4 i {
    width: 18px;
}

.solar-section-chevron {
    transition: transform 0.3s;
    color: #999;
    font-size: 0.8rem;
}

.solar-sidebar-section.collapsed .solar-section-chevron {
    transform: rotate(-90deg);
}

.solar-sidebar-section.collapsed .solar-sidebar-content {
    display: none;
}

.solar-sidebar-content {
    padding: 12px 16px;
    background: #fff;
}

.solar-sidebar-field {
    margin-bottom: 10px;
}

.solar-sidebar-field label {
    display: block;
    font-size: 0.75rem;
    color: #666;
    margin-bottom: 4px;
}

.solar-sidebar-field select,
.solar-sidebar-field input {
    width: 100%;
    padding: 6px 10px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 0.85rem;
}

.solar-size-inputs {
    display: flex;
    align-items: center;
    gap: 6px;
}

.solar-size-inputs input {
    flex: 1;
    width: auto;
}

.solar-size-inputs span {
    color: #999;
}

.solar-sidebar-btn {
    width: 100%;
    padding: 8px 12px;
    border: none;
    border-radius: 6px;
    background: var(--keen-teal);
    color: #fff;
    font-size: 0.8rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all 0.2s;
    margin-top: 8px;
}

.solar-sidebar-btn:hover:not(:disabled) {
    filter: brightness(1.1);
}

.solar-sidebar-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.solar-sidebar-btn.secondary {
    background: #6c757d;
}

.solar-toggle-inline {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 0;
    cursor: pointer;
    font-size: 0.85rem;
}

.solar-toggle-inline input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--keen-teal);
}

.solar-status-msg {
    padding: 8px;
    background: #e8f5f2;
    border-radius: 6px;
    font-size: 0.75rem;
    margin-top: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.solar-status-msg i {
    color: var(--keen-teal);
}

.solar-formula-compact {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.formula-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 0;
    border-bottom: 1px dashed #eee;
}

.formula-row:last-child {
    border-bottom: none;
}

.formula-lbl {
    font-size: 0.75rem;
    color: #666;
    display: flex;
    align-items: center;
    gap: 4px;
}

.formula-val {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--keen-teal);
}

.solar-sidebar-actions {
    margin-top: auto;
    padding: 16px;
    background: #fafafa;
    border-top: 1px solid #e8e8e8;
    display: flex;
    gap: 8px;
}

.solar-action-btn {
    flex: 1;
    padding: 10px;
    border: none;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all 0.2s;
}

.solar-action-btn.primary {
    background: var(--keen-teal);
    color: #fff;
}

.solar-action-btn.secondary {
    background: #6c757d;
    color: #fff;
}

.solar-action-btn:hover:not(:disabled) {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

.solar-action-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.solar-planes-list-sidebar {
    max-height: 200px;
    overflow-y: auto;
}

.solar-planes-list-sidebar .solar-no-planes {
    text-align: center;
    color: #999;
    font-size: 0.8rem;
    padding: 15px 0;
}

.solar-plane-item {
    padding: 10px;
    background: #f8f9fa;
    border-radius: 6px;
    margin-bottom: 8px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
}

.solar-plane-item:hover {
    border-color: var(--keen-teal);
}

.solar-plane-item.selected {
    border-color: var(--keen-teal);
    background: #e8f5f2;
}

.solar-plane-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.solar-plane-item-title {
    font-weight: 600;
    font-size: 0.85rem;
    color: #333;
}

.solar-plane-item-delete {
    background: none;
    border: none;
    color: #dc3545;
    cursor: pointer;
    padding: 2px 6px;
    font-size: 0.75rem;
}

.solar-plane-item-stats {
    display: flex;
    gap: 10px;
    font-size: 0.75rem;
    color: #666;
    margin-bottom: 6px;
}

.solar-plane-inputs {
    display: flex;
    gap: 8px;
    margin-bottom: 6px;
}

.solar-plane-inputs .input-row {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.7rem;
}

.solar-plane-inputs .input-row label {
    color: #666;
    min-width: 45px;
}

.solar-plane-inputs .input-row input {
    width: 50px;
    padding: 3px 5px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 0.75rem;
    text-align: center;
}

.solar-plane-inputs .input-row span {
    color: #666;
}

.solar-plane-orient-btns {
    display: flex;
    gap: 4px;
    margin-top: 6px;
}

.solar-orient-btn {
    flex: 1;
    padding: 4px;
    border: 1px solid #ddd;
    background: #fff;
    border-radius: 4px;
    font-size: 0.65rem;
    cursor: pointer;
    transition: all 0.2s;
}

.solar-orient-btn:hover {
    border-color: var(--keen-teal);
}

.solar-orient-btn.active {
    background: var(--keen-teal);
    color: #fff;
    border-color: var(--keen-teal);
}

/* Map Area */
.solar-map-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    min-width: 0;
}

.solar-map-toolbar {
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    display: flex;
    justify-content: space-between;
    z-index: 100;
    pointer-events: none;
}

.solar-toolbar-left,
.solar-toolbar-right {
    display: flex;
    gap: 6px;
    pointer-events: auto;
}

.solar-toolbar-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: rgba(255,255,255,0.95);
    border: none;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    cursor: pointer;
    font-size: 0.8rem;
    color: #333;
    transition: all 0.2s;
}

.solar-toolbar-btn:hover {
    background: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.solar-toolbar-btn.active {
    background: var(--keen-teal);
    color: #fff;
}

.solar-toolbar-btn.danger {
    color: #dc3545;
}

.solar-toolbar-btn.danger:hover {
    background: #dc3545;
    color: #fff;
}

.solar-toolbar-btn i {
    font-size: 0.9rem;
}

#solar-map-container {
    flex: 1;
    background: #e0e0e0;
    position: relative;
}

#solar-map {
    width: 100%;
    height: 100%;
}

/* Bottom Stats Bar */
.solar-bottom-bar {
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 10px 15px;
    background: rgba(255,255,255,0.95);
    border-top: 1px solid #e0e0e0;
    flex-wrap: wrap;
    gap: 8px;
}

.solar-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 60px;
}

.solar-stat .stat-label {
    font-size: 0.65rem;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.solar-stat .stat-value {
    font-size: 0.9rem;
    font-weight: 600;
    color: #333;
}

.solar-stat .stat-value.highlight {
    color: var(--keen-teal);
}

.solar-stat.primary {
    background: var(--keen-teal);
    padding: 6px 12px;
    border-radius: 8px;
}

.solar-stat.primary .stat-label,
.solar-stat.primary .stat-value {
    color: #fff;
}

/* Formula Bar Below Map */
.solar-formula-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    padding: 12px 20px;
    background: #f8f9fa;
    border-top: 1px solid #e0e0e0;
}

.solar-formula-bar .formula-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.solar-formula-bar .formula-lbl {
    font-size: 0.7rem;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.solar-formula-bar .formula-val {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--keen-teal);
}

.solar-formula-bar .formula-item.equation {
    flex-direction: row;
    background: #fff;
    padding: 8px 16px;
    border-radius: 8px;
    border: 1px solid #e0e0e0;
}

.solar-formula-bar .formula-eq {
    font-size: 0.8rem;
    font-family: 'Courier New', monospace;
    color: #555;
}

.solar-formula-bar .edu-bubble.small {
    width: 14px;
    height: 14px;
    font-size: 10px;
}

.solar-formula-bar .edu-bubble.small span {
    font-size: 9px;
}

/* Responsive Sidebar */
@media (max-width: 900px) {
    .solar-app-container {
        flex-direction: column;
        height: auto;
    }
    
    .solar-sidebar {
        width: 100%;
        min-width: 100%;
        max-height: 300px;
        border-right: none;
        border-bottom: 1px solid #e0e0e0;
    }
    
    .solar-map-area {
        height: 500px;
    }
    
    .solar-toolbar-btn span {
        display: none;
    }
}

/* Keep old styles for backward compat */
.solar-planes-section {
    width: 100%;
}

.solar-planes-list-horizontal {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    padding: 10px 0;
    min-height: 80px;
}

.solar-plane-card {
    flex: 0 0 auto;
    min-width: 200px;
    max-width: 280px;
    background: #f8f9fa;
    border-radius: 8px;
    padding: 12px;
    border: 2px solid #e0e0e0;
    cursor: pointer;
    transition: all 0.2s;
}

.solar-plane-card.selected {
    border-color: var(--keen-teal);
    background: #e8f5f2;
}

.solar-plane-card:hover {
    border-color: var(--keen-teal);
}

.solar-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.solar-summary-bar {
    width: 100%;
}

.exclusion-zone-label {
    position: absolute;
    background: rgba(255,140,0,0.9);
    color: #fff;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
    pointer-events: none;
}

.solar-summary-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.solar-summary-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.solar-stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 80px;
}

.solar-stat-label {
    font-size: 0.75rem;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.solar-stat-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark-text);
}

.solar-stat-value.highlight {
    color: var(--keen-teal);
    font-size: 1.2rem;
}

.solar-summary-actions {
    display: flex;
    gap: 10px;
}

.solar-disclaimer-bar {
    padding: 12px 15px;
    background: #fff8e6;
    border: 1px solid #ffc107;
    border-radius: 8px;
}

.solar-map-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.solar-drawing-tools {
    display: flex;
    gap: 8px;
}

.solar-tool-btn {
    padding: 8px 14px;
    border: 2px solid var(--keen-teal);
    background: white;
    color: var(--keen-teal);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.solar-tool-btn:hover {
    background: var(--keen-teal);
    color: white;
}

.solar-tool-btn.active {
    background: var(--keen-teal);
    color: white;
}

.solar-tool-btn.secondary {
    border-color: #dc3545;
    color: #dc3545;
}

.solar-tool-btn.secondary:hover {
    background: #dc3545;
    color: white;
}

.solar-planes-list {
    max-height: 250px;
    overflow-y: auto;
}

.solar-plane-item {
    background: #f8f9fa;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 10px;
}

.solar-plane-item.selected {
    border-color: var(--keen-teal);
    background: #e8f5f2;
}

.solar-plane-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.solar-plane-name {
    font-weight: 600;
    color: var(--dark-text);
}

.solar-plane-actions {
    display: flex;
    gap: 5px;
}

.solar-plane-action-btn {
    width: 28px;
    height: 28px;
    border: none;
    background: #e0e0e0;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    font-size: 0.8rem;
    transition: all 0.2s ease;
}

.solar-plane-action-btn:hover {
    background: var(--keen-teal);
    color: white;
}

.solar-plane-action-btn.delete:hover {
    background: #dc3545;
}

.solar-plane-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5px;
    font-size: 0.8rem;
    color: #666;
}

.solar-plane-stat {
    display: flex;
    justify-content: space-between;
}

.solar-plane-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 10px;
}

.solar-plane-inputs .input-group {
    margin-bottom: 0;
}

.solar-plane-inputs label {
    font-size: 0.75rem;
    color: #666;
    margin-bottom: 3px;
}

.solar-plane-inputs input,
.solar-plane-inputs select {
    padding: 6px 8px;
    font-size: 0.85rem;
}

.solar-result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid #f0f0f0;
}

.solar-result-row:last-of-type {
    border-bottom: none;
}

.solar-result-label {
    font-size: 0.9rem;
    color: #666;
}

.solar-result-value {
    font-weight: 600;
    font-size: 1rem;
    color: var(--dark-text);
}

.solar-result-value.highlight {
    color: var(--keen-teal);
    font-size: 1.15rem;
}

.calc-button.secondary {
    background: white;
    color: var(--keen-teal);
    border: 2px solid var(--keen-teal);
}

.calc-button.secondary:hover {
    background: var(--keen-teal);
    color: white;
}

.calc-button:disabled {
    background: #ccc;
    cursor: not-allowed;
    border-color: #ccc;
}

.calc-button.secondary:disabled {
    background: #f5f5f5;
    color: #999;
    border-color: #ccc;
}

/* Panel overlay on map */
.solar-panel-overlay {
    fill: rgba(27, 191, 158, 0.7);
    stroke: #fff;
    stroke-width: 1px;
}

/* Responsive layout for solar tools */
@media (max-width: 1200px) {
    .solar-config-row {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .solar-config-row > div:last-child {
        grid-column: 1 / -1;
    }
    
    .solar-summary-content {
        flex-direction: column;
        align-items: stretch;
    }
    
    .solar-summary-stats {
        justify-content: center;
    }
    
    .solar-summary-actions {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .solar-config-row {
        grid-template-columns: 1fr;
    }
    
    .solar-config-row > div:last-child {
        grid-column: auto;
    }
    
    .solar-summary-stats {
        gap: 15px;
    }
    
    .solar-stat-item {
        min-width: 70px;
    }
}

@media (max-width: 900px) {
    .solar-main-layout {
        gap: 15px;
    }
    
    .solar-map-section-full,
    .solar-planes-section,
    .solar-results-section {
        grid-column: 1;
    }
}

@media (max-width: 600px) {
    .solar-map-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .solar-drawing-tools {
        justify-content: center;
    }
    
    #solar-map-container {
        height: 350px !important;
    }
}

/* Solar Toggle Switch Styles */
.solar-toggle-group {
    display: block;
}

.solar-toggle {
    display: flex;
    align-items: center;
    cursor: pointer;
    gap: 10px;
}

.solar-toggle input {
    display: none;
}

.solar-toggle-slider {
    width: 36px;
    height: 20px;
    background: #ccc;
    border-radius: 10px;
    position: relative;
    transition: background 0.3s ease;
    flex-shrink: 0;
}

.solar-toggle-slider::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    background: white;
    border-radius: 50%;
    top: 2px;
    left: 2px;
    transition: transform 0.3s ease;
}

.solar-toggle input:checked + .solar-toggle-slider {
    background: var(--keen-teal);
}

.solar-toggle input:checked + .solar-toggle-slider::after {
    transform: translateX(16px);
}

.solar-toggle-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--dark-text);
}